采空区高位钻孔注浆防灭火浆液扩散特性研究

doi:10.16265/j.cnki.issn1003-3033.2019.10.011

中国安全科学学报 ›› 2019, Vol. 29 ›› Issue (10): 71-77.doi: 10.16265/j.cnki.issn1003-3033.2019.10.011

采空区高位钻孔注浆防灭火浆液扩散特性研究

王立杰¹, 王继仁² 教授, 张勋¹ 讲师, 郭晓阳²

1 辽宁工程技术大学矿业学院,辽宁阜新 123000;
2 辽宁工程技术大学安全科学与工程学院,辽宁阜新 123000

收稿日期:2019-07-13 修回日期:2019-09-17 出版日期:2019-10-28 发布日期:2020-10-27
作者简介:王立杰 (1995—),男,内蒙古赤峰人,硕士研究生,研究方向为矿井火灾防治。E-mail:vecet86@163.com。
基金资助:
国家自然科学基金资助(51604144,51574143);辽宁省自然科学基金资助(20170540430)。

Study on slurry diffusion law of high level drilling grouting fire prevention and control in goaf

WANG Lijie¹, WANG Jiren², ZHANG Xun¹, GUO Xiaoyang²

1 College of Mining, Liaoning Technical University, Fuxin Liaoning 123000, China;
2 College of Safety Science and Engineering, Liaoning Technical University, Fuxin Liaoning 123000, China

Received:2019-07-13 Revised:2019-09-17 Online:2019-10-28 Published:2020-10-27

摘要/Abstract

摘要： 为研究综放采空区高位钻孔注浆不同注浆时间和注浆量对浆液空间扩散行为的影响,采用FLUENT数值计算方法,在“变重力、定倾角”注浆情况下,构建三维非均质采空区浆液扩散数学模型,以某矿29406工作面为研究对象,通过模拟分析确定单孔最佳注浆量为40 m³/h时取得的防灭火效果最好,此时浆液倾向流动最远距离为50.8 m。研究表明:浆液在采空区垂直扩散过程中,其扩散半径逐渐增加且存在峰值;在底板扩散过程中,浆液浓度峰值点不会随时间产生明显改变;随注浆量的增加,浆液沿倾向流动的最大距离均呈非线性上升趋势;采空区标志性气体监测数据显示,模拟分析结果与现场应用效果一致。

关键词: 高位钻孔, 采空区, 注浆, 防灭火, 浆液扩散, 数值模拟

Abstract: In order to study effects of grouting time and amount on spatial diffusion behaviors of slurry in high-level borehole grouting in goaf, FLUENT numerical calculation method was adopted to construct a mathematical model of slurry diffusion in three-dimensional heterogeneous goaf under a condition of grouting with variable gravity and constant inclination. Then with 29406 working face of certain mine as a research object, it was confirmed through simulation analysis that fire prevention effect would be the best when grouting volume of a single hole is 40 m³/h and the maximum distance that slurry tends to flow is 50.8 m. The research shows that diffusion radius of slurry increases gradually and would have a peak value during vertical diffusion in goaf while during diffusion at bottom plate peak concentration of slurry will not change significantly with time. And as grouting amount increases, the maximum distance at which slurry tends to flow along with inclination shows a nonlinear upward trend. According to indicating gas monitoring data of goaf, simulation analysis results are consistent with that of field application.

Key words: high position drilling, goaf, grouting, fire prevention, slurry diffusion, numerical simulation

中图分类号:

X936

王立杰, 王继仁, 张勋, 郭晓阳. 采空区高位钻孔注浆防灭火浆液扩散特性研究[J]. 中国安全科学学报, 2019, 29(10): 71-77.

WANG Lijie, WANG Jiren, ZHANG Xun, GUO Xiaoyang. Study on slurry diffusion law of high level drilling grouting fire prevention and control in goaf[J]. China Safety Science Journal, 2019, 29(10): 71-77.

参考文献

[1] 赵磐,邬剑明,周春山.自燃采空区注浆灭火浆液的扩散行为研究[J].矿业安全与环保,2013,40(1):37-39,51.
ZHAO Pan,WU Jianming,ZHOU Chunshan. Study on slurry diffusion behavior in fire prevention by grouting in gob with spontaneous combustion[J]. Mining Safety & Environmental Protection,2013,40(1):37-39,51.
[2] 王万顺,耿玉岭,范运岭.三维渗流模型模拟采空区注浆治理过程的研究[J].中国煤田地质,2005(1): 25-28.
WANG Wanshun,GENG Yuling,FAN Yunling. Study on simulation of grouting treatment process in goaf by three-dimensional seepage model[J]. Coal Geology of China,2005(1): 25-28.
[3] 张晋花. 准格尔煤田自燃采空区注浆防灭火浆液扩散行为研究[D].太原:太原理工大学,2012.
ZHANG Jinhua. Study on slurry diffusion behavior of grouting fire prevention in spontaneous combustion goaf of jungar coalfield[D]. Taiyuan: Taiyuan University of Technology,2012.
[4] 江帆,徐勇程,黄鹏.Fluent高级应用与实例分析[M].北京:清华大学出版社,2018: 158-160.
[5] 李为华. 水泥—粘土—粉煤灰浆材的工程性质研究[D].长沙:中南大学,2005.
LI Weihua. Study engineering experiment of cement-clay-fly ash [D].Changsha:Central South University,2005.
[6] 王昌祥. 采空区空隙分布规律及注浆加固治理[D].泰安:山东科技大学,2017.
WANG Changxiang. Mining voids distribution and grouting reinforcement reatment[D]. Taian:Shandong University of Science and Technology,2017.
[7] 王帅. 基于动水注浆试验与数值模拟的动水注浆压力场研究[D].济南:山东大学,2012.
WANG Shuai. Study on grouting pressure filed based on dynamic water grouting tests and numerical modeling[D]. Jinan: Shandong University,2012.
[8] 李宗翔,衣刚,武建国,等.基于"O"型冒落及耗氧非均匀采空区自燃分布特征[J].煤炭学报,2012,37(3): 484-489.
LI Zongxiang,YI Gang,WU Jianguo, et al. Study on spontaneous combustion distribution of goaf based on the "O" type risked falling and non-uniform oxygen[J]. Journal of China Coal Society,2012,37(3): 484-489.
[9] 董子文,齐庆杰,韩光,等.采空区氧化带与发火期动态演化规律模拟研究[J]. 中国安全科学学报,2018,28(7): 45-51.
DONG Ziwen,QI Qingjie,HAN Guang, et al. Numerical simulation study on dynamical evolution rule of spontaneous combustion oxidation zone and period[J]. China Safety Science Journal,2018,28(7): 45-51.
[10] 题正义,秦洪岩,乔宁,等.大倾角综放采空区注浆防灭火浆液扩散模拟研究[J].中国安全科学学报,2016,26(1): 51-57.
TI Zhengyi,QIN Hongyan,QIAO Ning, et al. Simulation of slurry diffusion involved in fire prevention in large dip angle fully mechanized caving gob by grouting[J]. China Safety Science Journal, 2016,26(1): 51-57.
[11] 黄戈,王继仁,邓存宝,等.电厂烟道气预防遗煤自燃的合理含氧量模拟研究[J].中国安全科学学报,2017,27(3): 42-47.
HUANG Ge,WANG Jiren,DENG Cunbao, et al. Numerical simulation of reasonable oxygen content in flue gas forpreventing residual coal spontaneous combustion[J]. China Safety Science Journal,2017,27(3): 42-47.
[12] 王继仁,张英,郝朝瑜.半“O”型冒落采空区注CO₂防灭火的数值模拟[J].中国安全科学学报,2015,25(7): 48-54.
WANG Jiren,ZHANG Ying,HAO Chaoyu. Numerical simulation of fire prevention in gob area with half O-ring risked falling byCO₂ injection[J]. China Safety Science Journal,2015,25(7): 48-54.

[1]	李刚, 刘海振, 杨庆贺, 牛伟锋. 带压开采煤层底板破坏特征与突水风险分析[J]. 中国安全科学学报, 2022, 32(5): 68-76.
[2]	郑艾辰, 向晋扬, 黄锋, 金成昊, 刘星辰. 空洞对隧道结构安全影响试验与模拟[J]. 中国安全科学学报, 2022, 32(5): 119-126.
[3]	游波, 毛聪, 施式亮, 刘何清, 鲁义, 李敏. 矿用通风服微空间环境变化特征研究[J]. 中国安全科学学报, 2022, 32(5): 185-193.
[4]	冯巩, 夏元友, 王智德, 严敏嘉. 基于位移信息融合的露天矿边坡动态预警方法[J]. 中国安全科学学报, 2022, 32(3): 116-122.
[5]	张晓明, 刘筱颖, 董伟, 张河猛, 王永军, 佐佐木久郎. 海州露天矿采空区地表CO₂通量的试验研究^*[J]. 中国安全科学学报, 2022, 32(2): 66-73.
[6]	鲁义, 杨帆, 刘欢, 陈健, 王金鹏, 李文辉. 气凝胶消防救援服内衬的热阻计算^*[J]. 中国安全科学学报, 2022, 32(1): 201-207.
[7]	张钧祥, 刘彦伟, 任培良, 韩红凯, 左伟芹. 基于蠕变效应的穿层钻孔封孔参数优化与试验研究[J]. 中国安全科学学报, 2021, 31(7): 97-104.
[8]	梁择文, 王俊峰, 董凯丽, 张玉龙. 高价态金属离子交联体系防灭火性能影响研究[J]. 中国安全科学学报, 2021, 31(7): 113-119.
[9]	丁厚成, 连志虚, 邓权龙, 蒋仲安, 杨利炜, 葛梦圆. 振弦栅与高压喷雾协同作用下除尘特性研究^*[J]. 中国安全科学学报, 2021, 31(6): 106-112.
[10]	荆德吉, 贾鑫, 张天, 孟祥曦, 马明星, 王志恒. 落煤过程中涡旋吹吸式除尘技术数值模拟及试验[J]. 中国安全科学学报, 2021, 31(6): 121-127.
[11]	朱豪豪, 郭海林, ZHUMAKELDI A. 外力作用下管道内表面缺陷处裂纹扩展研究[J]. 中国安全科学学报, 2021, 31(3): 66-72.
[12]	姜学鹏, 陈欣格, 郭昆. 侧部点式排烟隧道火灾临界风速研究[J]. 中国安全科学学报, 2021, 31(3): 105-111.
[13]	王亮, 孙毅民, 褚鹏, 赵伟, 邹双英. 基于时空分布特征的煤层瓦斯测压准确性研究[J]. 中国安全科学学报, 2021, 31(2): 40-47.
[14]	张萌, 刘宏磊, 乔文光, 高勋. 排土场稳定性影响因素显著性研究[J]. 中国安全科学学报, 2021, 31(2): 69-75.
[15]	曲国娜, 李红健, 贾廷贵, 强倩, 王来贵. 煤堆自燃特征的试验研究与数值模拟^*[J]. 中国安全科学学报, 2021, 31(12): 69-77.

采空区高位钻孔注浆防灭火浆液扩散特性研究

Study on slurry diffusion law of high level drilling grouting fire prevention and control in goaf

PDF

可视化

摘要/Abstract

引用本文

使用本文

参考文献

相关文章 15

编辑推荐

Metrics

本文评价